X0609 4 2026-07-08 0 0001819989 Cipher Digital Inc. CIFR 0001887623 Page Tyler false C/O CIPHER DIGITAL INC. 1 VANDERBILT AVENUE, FLOOR 54 NEW YORK NY 10017 1 1 0 0 Chief Executive Officer 1 Common Stock 2026-07-08 4 S 0 112500 21.19 D 9084225 D Common Stock 2026-07-09 4 S 0 112500 22.68 D 8971725 D Common Stock 400000 I See Footnote The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 19, 2025. The sales were executed in multiple trades at prices ranging from $20.75 to $21.57. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4. The sales were executed in multiple trades at prices ranging from $22.60 to $22.80. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4. On May 12, 2026, the Reporting Person transferred 400,000 shares of the Issuer's Common Stock to Impa Holdings LLC. The Reporting Person serves as the managing member of Impa Holdings LLC, and 100% of its membership interests are held by a trust for the benefit of certain members of the Reporting Person's immediate family over which the Reporting Person has investment authority. /s/ William Iwaschuk, Attorney-in-Fact for Tyler Page 2026-07-10